立場新聞 2021/09/08 10:03
Vocal learning is a rare trait in animals. Musk ducks raised in captivity imitate the sounds they heard as hatchlings. Here is a duck named Ripper making the sound of a slamming door and saying a former caretaker's catchphrase, "you bloody fool!" https://t.co/KvnnCiRVqh pic.twitter.com/TI8ILKkiuK
— New Scientist (@newscientist) September 6, 2021